442 Dr. Johnston’s Index to the British Annelides. 
2. P. spinulosa. 
Pontobdella spinulosa, Leach, Zool. Misc. ii. tab. 65; and in Suppl. 
Encyclop. Brit. i. 451. pl. 26. Lam. Anim. s. Vert. v. 294; 2nde 
edit. v. 525. Stark, Elem. ii. 142. 
Obs. I doubt the distinctness of this from the preceding. 
Hemopsis. 
Hemopsis, Savigny in Lam. Anim. s.Vert. 2nde edit. v.520. Ency- 
clop. Brit. xi. 226. pl. 176. fig. 15. 
1. H. voraz. 
The Horse-Leech, Sibb. Scot. i. 3, 34. Quekett in the Zoologist, 
i. 17 and 88. 
Hirudo Sanguisuga, Merr. Pin. 207. Linn. Syst. 1079. Turt. Gmel. 
iv. 68. Turt. Brit. Faun. 129. Stew. Elem. ii. 356. Penn. Brit. 
Zool. iv. 70. Johnson on the Med. Leech, 30. Mull. Verm. i. ii. 
38. Stark, Elem. 11. 356. Templeton in Loud. Mag. N. Hist. 
ix. 235. Ephem. Acad. Leop. c. vill. 346. tab. 5. fig. 4. D. Chiaje, 
An. s. Vert. Nap. i. 48. 
Hirudo sanguisorba, Lam. Anim. s. Vert. 2nde edit. v. 521. 
Hirudo vorax, Johnson on the Med. Leech, 62. 
Hemopsis sanguisorba, Brightwell in Ann. and Mag, N. Hist. ix. 12. 
Encyclop. Brit. xi. 226. 
2. H. nigra. 
Hirudo nigra, Johnson on the Med. Leech, 32. 
Obs. In the last edit. of Lamarck this is considered as identical 
with the preceding. 
Hirudo. 
Sanguisuga, Savigny in Lam. Anim. s.Vert. 2nde edit. v. 520, En- 
cyclop. Brit. xi. 225. 
1. H. medicinalis. 
Hirudo medicinalis, Linn. Syst. 1079. Mull. Verm. i. ii. 37. Turt. 
Gmel.iv. 68. Turt. Brit. Faun. 129. Stew. Elem. 1. 356. Penn. 
Brit. Zool. iv. 69. Stark, Elem. ii. 143. Leach in Suppl. Ency- 
clop. Brit.i. 451. pl.26. Johnson on the Med. Leech, 29. Lam. 
Anim. s. Vert. 2nde edit. v. 520. Home, Comp. Anat. iv. pl. 39. 
fig. 3; ibid. ii. 70. Ephem. Acad. Leop. cent. vili. 338. tab. 5. 
fig. 1, 2,3. D.Chiaje, An. s. Vert. Nap. ies rte 
Sanguisuga medicinalis, Brightwell in Ann. and Mag. N. Hist. ix. 13. 
Encyclop. Brit. xi. 225. pl. 176. fig. 14. 
Tribe LuMBRICINA. 
(MacLeay in Ann. Nat. Hist. iv. 385.) 
Annelides abranches setigeres, Cuv. Reg. Anim. ii. 209.—Lombricini, 
Latr.Fam.Nat.246.—Annelides terricoles, Aud.et M. Edwards, Litt. 
de la France, ii. 50; and in Lam. Anim. s. Vert. 2nde edit. v. 513. 
